Sebastien Lami defeated Benjamin Cassaigne 3-6 6-4 7-6 in the France F20 round of 32 on hard. The upset overturned the form book — Benjamin Cassaigne came in leading the head-to-head 1–0. Sebastien Lami claimed a first win over Benjamin Cassaigne in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-07-21 | France F14 | R32 | hard | Benjamin Cassaigne | 6-3 4-6 6-0 |